Primary Purpose
| primary_purpose | Study_Count |
|---|---|
| Treatment | 3209 |
| Prevention | 258 |
| Supportive Care | 139 |
| Diagnostic | 138 |
| Basic Science | 113 |
| Other | 80 |
| NA | 61 |
| Health Services Research | 43 |
| Screening | 28 |
| Device Feasibility | 4 |
| Educational/Counseling/Training | 1 |
Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD
See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG
To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html
| Type | Study_count |
|---|---|
| Total_Studies | 5282 |
| interventional | 4074 |
| Observational | 1090 |
| Registry | 118 |
```
| intervention_type | Study_Count |
|---|---|
| Drug | 1319 |
| Drug|placebo | 573 |
| Other | 380 |
| Device | 277 |
| Behavioral | 248 |
| Procedure | 208 |
| Dietary Supplement | 114 |
| Drug|Other | 102 |
| Dietary Supplement|placebo | 101 |
| Biological | 100 |
| Drug|Procedure | 49 |
| Biological|Drug | 39 |
| Diagnostic Test | 35 |
| Biological|Drug|Procedure|Radiation | 34 |
| Biological|Drug|Procedure | 31 |
| Device|Other | 30 |
| Drug|Procedure|Radiation | 26 |
| Other|placebo | 26 |
| Device|Drug | 25 |
| Biological|placebo | 21 |
| Other|Procedure | 21 |
| Behavioral|Other | 17 |
| Biological|Drug|Other | 17 |
| Drug|Other|Procedure|Radiation | 17 |
| Biological|Drug|Other|Procedure|Radiation | 15 |
| Device|Procedure | 14 |
| Dietary Supplement|Drug | 14 |
| Behavioral|Drug | 13 |
| Device|placebo | 12 |
| Biological|Other | 11 |
| Drug|Other|placebo | 11 |
| Dietary Supplement|Other | 9 |
| Genetic | 9 |
| Biological|Drug|Other|Procedure | 8 |
| Drug|Other|Procedure | 8 |
| Drug|Radiation | 8 |
| placebo|Procedure | 8 |
| Biological|Procedure | 7 |
| Behavioral|Drug|placebo | 6 |
| Biological|Drug|Radiation | 6 |
| Dietary Supplement|Drug|placebo | 6 |
| Behavioral|Device | 5 |
| Behavioral|Dietary Supplement | 5 |
| Combination Product | 5 |
| Biological|Device | 4 |
| Device|Drug|Procedure | 4 |
| Drug|Genetic|Other | 4 |
| Drug|Genetic|Other|Procedure | 4 |
| Drug|placebo|Procedure | 4 |
| Biological|Drug|Genetic|Other|Procedure | 3 |
| Combination Product|placebo | 3 |
| Device|Drug|Other | 3 |
| Drug|Other|Radiation | 3 |
| placebo | 3 |
| Procedure|Radiation | 3 |
| Radiation | 3 |
| Behavioral|Drug|Other | 2 |
| Behavioral|Procedure | 2 |
| Combination Product|Device | 2 |
| Diagnostic Test|Other | 2 |
| Dietary Supplement|Other|placebo | 2 |
| placebo|Radiation | 2 |
| Behavioral|Biological | 1 |
| Behavioral|Biological|Device|Other | 1 |
| Behavioral|Device|Other | 1 |
| Behavioral|Diagnostic Test|Other | 1 |
| Behavioral|Dietary Supplement|Other | 1 |
| Behavioral|Dietary Supplement|Other|Procedure | 1 |
| Behavioral|Drug|placebo|Procedure | 1 |
| Behavioral|Genetic|Other | 1 |
| Behavioral|Genetic|Procedure | 1 |
| Behavioral|placebo | 1 |
| Biological|Device|Drug|Procedure|Radiation | 1 |
| Biological|Dietary Supplement|Drug|Procedure | 1 |
| Biological|Drug|Genetic|Other | 1 |
| Biological|Drug|placebo | 1 |
| Biological|Genetic|Other | 1 |
| Biological|Genetic|Other|Procedure | 1 |
| Biological|Other|Procedure | 1 |
| Combination Product|Dietary Supplement | 1 |
| Combination Product|Drug | 1 |
| Combination Product|Drug|placebo|Radiation | 1 |
| Device|Drug|Other|Procedure|Radiation | 1 |
| Device|Drug|placebo | 1 |
| Device|Drug|placebo|Procedure | 1 |
| Device|Other|Procedure | 1 |
| Diagnostic Test|Drug|Other | 1 |
| Diagnostic Test|Radiation | 1 |
| Dietary Supplement|Radiation | 1 |
| Drug|Genetic|Other|Procedure|Radiation | 1 |
| Drug|Genetic|Procedure|Radiation | 1 |
| Drug|Other|placebo|Procedure | 1 |
| Other|Radiation | 1 |
| Country | Study_Count |
|---|---|
| United States | 1633 |
| NA | 264 |
| France | 226 |
| China | 134 |
| Canada | 104 |
| Spain | 103 |
| Italy | 93 |
| Korea, Republic of | 90 |
| United Kingdom | 87 |
| Germany | 79 |
| Brazil | 74 |
| Japan | 68 |
| Taiwan | 59 |
| Denmark | 52 |
| Egypt | 52 |
| Turkey | 43 |
| Netherlands | 42 |
| United States|Canada | 39 |
| Sweden | 37 |
| Norway | 35 |
| Switzerland | 34 |
| Mexico | 33 |
| Belgium | 25 |
| Iran, Islamic Republic of | 23 |
| Israel | 23 |
| India | 19 |
| Australia | 18 |
| Austria | 17 |
| Poland | 16 |
| Finland | 15 |
| Hong Kong | 15 |
| Russian Federation | 15 |
| Greece | 13 |
| United States|United Kingdom | 12 |
| Pakistan | 11 |
| Thailand | 8 |
| Singapore | 7 |
| Argentina | 6 |
| Tunisia | 6 |
| United States|France | 6 |
| United States|Germany | 6 |
| Ireland | 5 |
| United States|Italy | 5 |
| Chile | 4 |
| Croatia | 4 |
| Indonesia | 4 |
| South Africa | 4 |
| United States|Australia | 4 |
| United States|Puerto Rico | 4 |
| Colombia | 3 |
| France|Spain | 3 |
| Hungary | 3 |
| Iraq | 3 |
| Jordan | 3 |
| Lebanon | 3 |
| Malaysia | 3 |
| Saudi Arabia | 3 |
| Slovenia | 3 |
| United States|Australia|Canada | 3 |
| United States|Belgium | 3 |
| United States|Germany|Italy | 3 |
| United States|Germany|United Kingdom | 3 |
| United States|Israel | 3 |
| Vietnam | 3 |
| Australia|Norway | 2 |
| Belgium|Canada|France|Germany|Spain|Switzerland|United Kingdom | 2 |
| Belgium|Germany|Italy|Spain | 2 |
| Cameroon | 2 |
| Canada|France|Germany|Italy|Netherlands|Sweden|United Kingdom | 2 |
| Cuba | 2 |
| Denmark|Finland|Iceland|Norway|Sweden | 2 |
| Denmark|Norway|Sweden | 2 |
| France|Monaco | 2 |
| France|Switzerland | 2 |
| Germany|Switzerland | 2 |
| Germany|United Kingdom | 2 |
| New Zealand | 2 |
| Romania | 2 |
| Syrian Arab Republic | 2 |
| United States|Argentina|Belgium|Brazil|France|Germany|Italy|Mexico|Poland|Romania|Russian Federation|Spain|United Kingdom | 2 |
| United States|Australia|Belgium|Canada|France|Germany|Israel|Italy|Netherlands|Spain|Sweden|United Kingdom | 2 |
| United States|Australia|Canada|France|Mexico|Spain|United Kingdom | 2 |
| United States|Australia|New Zealand | 2 |
| United States|Austria|France|Germany|United Kingdom | 2 |
| United States|Belgium|Canada | 2 |
| United States|Belgium|Canada|Denmark|France|Germany|Italy|Netherlands|Poland|United Kingdom | 2 |
| United States|Brazil | 2 |
| United States|Canada|United Kingdom | 2 |
| United States|Denmark | 2 |
| United States|France|Germany | 2 |
| United States|France|Spain|United Kingdom | 2 |
| United States|France|United Kingdom | 2 |
| United States|India | 2 |
| United States|Russian Federation | 2 |
| United States|Spain | 2 |
| Algeria|Argentina|Canada|China|Germany|Italy|Korea, Republic of|Spain|Sweden|United Kingdom | 1 |
| Argentina|Australia|Austria|Canada|France|Germany|Italy|Norway|Russian Federation|Singapore|Spain|Sweden|United Kingdom | 1 |
| Argentina|Australia|Belgium|Brazil|Canada|Colombia|Czech Republic|Denmark|France|Germany|Hungary|India|Korea, Republic of|Mexico|Netherlands|Poland|Romania|Russian Federation|Slovakia|South Africa|Ukraine | 1 |
| Argentina|Canada|Czech Republic|France|Germany|Italy|Spain|Sweden|United Kingdom | 1 |
| Argentina|Canada|France|Germany|Italy|Netherlands|Norway|Spain|Sweden|United Kingdom | 1 |
| Argentina|United States|Australia|Belgium|Brazil|Bulgaria|Canada|Chile|China|Colombia|Czechia|Denmark|France|Germany|Hungary|India|Israel|Italy|Japan|Korea, Republic of|Netherlands|New Zealand|Peru|Philippines|Poland|Romania|Russian Federation|Slovakia|South Africa|Spain|Sweden|Taiwan|Thailand|Turkey|Ukraine|United Kingdom | 1 |
| Australia|Austria|Belgium|Czechia|France|Israel|Japan|Spain | 1 |
| Australia|Belgium|Denmark|France|Germany|Italy|Japan|Spain|United Kingdom | 1 |
| Australia|Belgium|France|Poland|Spain|United Kingdom | 1 |
| Australia|Brazil|Ecuador|Germany|Norway | 1 |
| Australia|Bulgaria|France|Germany|Greece|Hungary|Italy|Netherlands|Poland|Spain|United Kingdom | 1 |
| Australia|Czech Republic|Denmark|Germany|Italy|Norway|Portugal|Slovakia|Spain|Sweden|Switzerland | 1 |
| Australia|France | 1 |
| Australia|France|Germany | 1 |
| Australia|United Kingdom | 1 |
| Austria|Belgium|Canada|Germany | 1 |
| Austria|Belgium|Finland|Germany|Ireland|Netherlands|Slovakia|Spain|United Kingdom | 1 |
| Austria|Belgium|France|Germany|Greece|Italy|Japan|Netherlands|Poland|Spain|Switzerland|United Kingdom | 1 |
| Austria|Czech Republic|Denmark|France|Germany|Italy|Netherlands|Poland|Slovenia | 1 |
| Austria|France|Italy|Spain|Sweden|Switzerland|United Kingdom | 1 |
| Austria|Germany|Hungary | 1 |
| Austria|Germany|Hungary|Poland | 1 |
| Austria|Germany|Netherlands|Norway|Sweden | 1 |
| Austria|Germany|Spain | 1 |
| Austria|Germany|Sweden|Switzerland | 1 |
| Austria|Germany|Switzerland | 1 |
| Austria|Italy | 1 |
| Austria|Switzerland | 1 |
| Bangladesh | 1 |
| Belgium|Canada|Czech Republic|Finland|France|Germany|United States|Greece|Israel|Slovakia|Switzerland|Turkey|United Kingdom | 1 |
| Belgium|Canada|Estonia|France|Greece|Hungary|Ireland|Italy|Portugal|Spain|Tunisia | 1 |
| Belgium|Czech Republic|France|Germany|Italy|Netherlands | 1 |
| Belgium|Czechia|Denmark|Germany|Latvia|Lithuania|Netherlands|Poland|Portugal|Romania|Russian Federation|Spain | 1 |
| Belgium|Czechia|France|Germany|Netherlands|Slovakia | 1 |
| Belgium|Czechia|Germany|Hungary|Latvia|Netherlands|Poland|Russian Federation|Spain|United Kingdom | 1 |
| Belgium|Finland|Netherlands|Switzerland|United Kingdom | 1 |
| Belgium|France | 1 |
| Belgium|France|Germany|Israel|Italy|Netherlands|Spain|Sweden|United Kingdom | 1 |
| Belgium|France|Israel|Italy|United Kingdom | 1 |
| Belgium|France|Portugal | 1 |
| Belgium|Germany|Hungary|Italy|Poland|Romania|Spain|Turkey | 1 |
| Belgium|Germany|Italy | 1 |
| Belgium|Germany|Netherlands|Switzerland | 1 |
| Belgium|Netherlands | 1 |
| Belgium|Norway|Sweden | 1 |
| Brazil|Canada | 1 |
| Brazil|China | 1 |
| Brazil|Poland|Taiwan | 1 |
| Bulgaria|Czech Republic|Denmark|Germany|Italy|Poland|Spain|Sweden | 1 |
| Bulgaria|Czech Republic|Estonia|Germany|Lithuania|Poland|Russian Federation|Ukraine | 1 |
| Bulgaria|France|Germany|Greece|Russian Federation | 1 |
| Canada|Czechia|Hungary|Netherlands|Poland | 1 |
| Canada|Finland|Hungary|Italy|Netherlands|Norway|Poland|Romania|Sweden | 1 |
| Canada|France | 1 |
| Canada|United States|Australia|Netherlands|New Zealand|Puerto Rico|Switzerland | 1 |
| Canada|United States|Bangladesh|India|Iran, Islamic Republic of|Pakistan|Tunisia | 1 |
| Chile|Mexico | 1 |
| Chile|United States|Argentina|Canada|France|Mexico|Peru|Spain|Sweden|United Kingdom | 1 |
| China|Germany|Russian Federation|Spain | 1 |
| China|Hong Kong | 1 |
| China|Korea, Republic of | 1 |
| China|Korea, Republic of|Taiwan|Thailand | 1 |
| China|Sweden | 1 |
| Congo, The Democratic Republic of the | 1 |
| Cyprus | 1 |
| Czech Republic | 1 |
| Czech Republic|Denmark|Finland|France|Germany|Italy|Norway|Poland|Portugal|Romania|Spain|Sweden|United Kingdom | 1 |
| Czech Republic|Denmark|Germany|Hungary|Spain|Sweden|United Kingdom | 1 |
| Czech Republic|Finland|France|Germany|Italy|Norway|Portugal|Romania|Spain|Sweden | 1 |
| Czech Republic|Germany|Latvia|Lithuania|Poland|Spain | 1 |
| Czechia | 1 |
| Czechia|France|Italy|Portugal|Spain | 1 |
| Czechia|Germany|Hungary|Poland|United Kingdom | 1 |
| Czechia|Germany|Italy|Poland|Portugal|Spain | 1 |
| Denmark|Finland|Germany|Ireland|Italy|Norway|Spain|Sweden|United Kingdom | 1 |
| Denmark|Germany|Latvia|Russian Federation|Ukraine|United Kingdom | 1 |
| Denmark|Israel | 1 |
| Finland|France|Germany|Ireland|Italy|Korea, Republic of|Spain|Sweden|United Kingdom | 1 |
| Finland|France|Italy|United Kingdom | 1 |
| France|Austria|Belgium|Czechia|Denmark|Germany|Ireland|Italy|Netherlands|Spain|Sweden|Switzerland|United Kingdom | 1 |
| France|Germany | 1 |
| France|Germany|Italy|Norway|Russian Federation|Spain | 1 |
| France|Germany|Italy|Slovenia | 1 |
| France|Germany|Italy|United Kingdom | 1 |
| France|Germany|Netherlands | 1 |
| France|Germany|Netherlands|United Kingdom | 1 |
| France|Ireland | 1 |
| France|Italy | 1 |
| France|Italy|Netherlands | 1 |
| France|Italy|Spain|Tunisia | 1 |
| France|Italy|Switzerland | 1 |
| France|Japan|Peru|United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|Colombia|Croatia|Czech Republic|Denmark|Egypt|Finland|Germany|Greece|Guatemala|Hong Kong|Hungary|India|Israel|Italy|Korea, Republic of|Kuwait|Latvia|Lithuania|Malaysia|Mexico|New Zealand|Philippines|Poland|Portugal|Puerto Rico|Romania|Russian Federation|Serbia|Slovakia|South Africa|Spain|Sweden|Taiwan|Thailand|Turkey|Ukraine|United Arab Emirates|United Kingdom | 1 |
| France|Netherlands|United Kingdom | 1 |
| France|Réunion | 1 |
| France|Tunisia | 1 |
| France|United Kingdom | 1 |
| Georgia|Russian Federation|Ukraine | 1 |
| Germany|Belgium|France|Hungary | 1 |
| Germany|Hungary | 1 |
| Germany|Italy | 1 |
| Germany|Italy|Spain | 1 |
| Germany|Netherlands|United Kingdom | 1 |
| Germany|Poland|Spain | 1 |
| Germany|United States|Australia|Austria|Belgium|Canada|Denmark|Finland|France|Hong Kong|Italy|Korea, Republic of|Netherlands|New Zealand|Norway|Poland|Singapore|Spain|Sweden|Switzerland|Taiwan|United Kingdom | 1 |
| Germany|United States|Austria|Finland|Italy|Netherlands|Spain|Sweden|United Kingdom | 1 |
| Germany|United States|Belgium|Canada|France|Italy|Netherlands|Spain|Sweden|Turkey|United Kingdom | 1 |
| Greece|Hungary|India|Netherlands|Spain|Sweden|Thailand|Tunisia|Turkey|Ukraine|Germany|United States|Argentina|Australia|Belgium|Brazil|Bulgaria|Canada|Chile|China|Colombia|Croatia|Czech Republic|Denmark|Egypt|France|Israel|Japan|Korea, Republic of|Latvia|Lithuania|Malaysia|Mexico|Morocco|New Zealand|Philippines|Poland|Portugal|Romania|Russian Federation|Serbia|Slovakia|United Kingdom | 1 |
| Hong Kong|Japan|Malaysia|Singapore|Taiwan | 1 |
| Hungary|Poland | 1 |
| Iceland|Norway|Sweden | 1 |
| Ireland|Italy|United Kingdom | 1 |
| Israel|United States|Argentina|Australia|Austria|Belarus|Belgium|Brazil|Bulgaria|Canada|Chile|China|Colombia|Denmark|Ecuador|Egypt|Estonia|Finland|France|Georgia|Germany|Guatemala|India|Italy|Japan|Korea, Republic of|Latvia|Lithuania|Mexico|Netherlands|Norway|Panama|Peru|Philippines|Poland|Portugal|Romania|Russian Federation|Serbia|South Africa|Spain|Sweden|Switzerland|Taiwan|Tunisia|Turkey|Ukraine|United Arab Emirates|United Kingdom | 1 |
| Italy|Lithuania | 1 |
| Italy|Netherlands | 1 |
| Italy|United States|Brazil|Canada|France|Germany|Romania|Spain|Sweden|United Kingdom | 1 |
| Japan|Korea, Republic of | 1 |
| Japan|Korea, Republic of|Taiwan | 1 |
| Japan|United States|Argentina|Australia|Belgium|Brazil|Bulgaria|Canada|Czechia|Denmark|France|Hungary|Korea, Republic of|Netherlands|Poland|Russian Federation|Spain|Sweden|Turkey|Ukraine | 1 |
| Jordan|Syrian Arab Republic | 1 |
| Kazakhstan | 1 |
| Lithuania | 1 |
| Netherlands|Russian Federation | 1 |
| Netherlands|Spain | 1 |
| Netherlands|Thailand | 1 |
| Panama | 1 |
| Portugal | 1 |
| Serbia | 1 |
| Slovakia | 1 |
| Spain|United States|Australia|Bulgaria|Czechia|France|Germany|Greece|Hungary|Italy|Netherlands|Poland|Russian Federation|Sweden|United Kingdom | 1 |
| Sudan | 1 |
| Sweden|United States|Belgium|Canada|Czechia|Denmark|France|Germany|Italy|Japan|Korea, Republic of|Poland|Spain|United Kingdom | 1 |
| United Kingdom|Jersey | 1 |
| United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|China|Colombia|Costa Rica|Croatia|Czech Republic|Denmark|Egypt|Finland|France|Germany|Greece|Hungary|India|Ireland|Israel|Italy|Korea, Republic of|Lithuania|Malaysia|Malta|Mexico|Netherlands|New Zealand|Panama|Peru|Philippines|Poland|Portugal|Puerto Rico|Romania|Russian Federation|Serbia|Singapore|Slovakia|South Africa|Spain|Sweden|Switzerland|Taiwan|Thailand|Tunisia|Turkey|Ukraine|United Kingdom | 1 |
| United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|Colombia|Croatia|Czechia|Denmark|Estonia|Finland|France|Georgia|Germany|Greece|Hong Kong|Hungary|Israel|Italy|Japan|Korea, Republic of|Latvia|Lithuania|Malaysia|Mexico|Netherlands|New Zealand|Norway|Peru|Poland|Portugal|Romania|Russian Federation|Serbia|Singapore|Slovakia|South Africa|Spain|Sweden|Switzerland|Taiwan|Thailand|Turkey|Ukraine|United Kingdom | 1 |
| United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|Czechia|Denmark|Finland|France|Germany|Hungary|Israel|Italy|Netherlands|New Zealand|Poland|Portugal|Puerto Rico|Romania|Russian Federation|Slovakia|South Africa|Spain|Sweden|Switzerland|Turkey|United Arab Emirates|United Kingdom | 1 |
| United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|China|Czech Republic|Denmark|Finland|France|Georgia|Germany|Greece|Hong Kong|Hungary|India|Indonesia|Israel|Italy|Korea, Republic of|Malaysia|Mexico|Netherlands|Norway|Philippines|Poland|Portugal|Puerto Rico|Romania|Russian Federation|Singapore|Slovakia|South Africa|Spain|Sweden|Switzerland|Taiwan|Thailand|Turkey|Ukraine|United Kingdom | 1 |
| United States|Argentina|Australia|Belgium|Bulgaria|Canada|Chile|Czechia|Denmark|Estonia|France|Germany|Greece|Hong Kong|Hungary|Israel|Italy|Korea, Republic of|Mexico|Netherlands|New Zealand|Norway|Philippines|Poland|Romania|Russian Federation|Slovakia|South Africa|Spain|Sweden|Taiwan|Thailand|Ukraine|United Kingdom | 1 |
| United States|Argentina|Australia|Belgium|France|Germany|Mexico|Netherlands|Poland|Spain|United Kingdom | 1 |
| United States|Argentina|Australia|Brazil|China|Egypt|Germany|Israel|Italy|Norway|Peru|Slovakia|Turkey|United Kingdom | 1 |
| United States|Argentina|Australia|Colombia|Hungary|Italy|Korea, Republic of|Mexico|Ukraine | 1 |
| United States|Argentina|Austria|Belgium|Brazil|Bulgaria|Canada|China|Costa Rica|France|Germany|India|Italy|Japan|Korea, Republic of|Russian Federation|Spain|Thailand|Turkey | 1 |
| United States|Argentina|Austria|Belgium|Chile|France|Germany|Hungary|Israel|Italy|Japan|Netherlands|Poland|Portugal|Romania|Russian Federation|Spain|Taiwan|United Kingdom | 1 |
| United States|Argentina|Belgium|Brazil|Bulgaria|Canada|Chile|Estonia|Germany|Hungary|India|Korea, Republic of|Netherlands|Peru|Romania|Russian Federation|Serbia|South Africa|United Kingdom | 1 |
| United States|Argentina|Brazil|Bulgaria|Canada|Czech Republic|France|Germany|Greece|Hungary|India|Italy|Korea, Republic of|Netherlands|Poland|Russian Federation|Spain|United Kingdom | 1 |
| United States|Argentina|Brazil|Canada|Colombia|Denmark|France|Germany|Italy|Japan|Korea, Republic of|Netherlands|Norway|Portugal|Qatar|Saudi Arabia|Spain|Taiwan|Turkey|United Kingdom | 1 |
| United States|Argentina|Canada|France|Italy|Mexico|New Zealand|Singapore|Spain|United Kingdom | 1 |
| United States|Argentina|France|Germany|Italy|Netherlands|Spain|United Kingdom | 1 |
| United States|Australia|Austria|Belgium|Canada|Croatia|Czechia|Estonia|France|Germany|Hungary|India|Ireland|Israel|Italy|Japan|Poland|Russian Federation|Spain|Sweden|Switzerland|United Kingdom | 1 |
| United States|Australia|Austria|Belgium|Canada|Czechia|France|Germany|Israel|Italy|Japan|Lithuania|Netherlands|Poland|Portugal|Russian Federation|Spain|Sweden|Switzerland|Taiwan|Turkey|Ukraine|United Kingdom | 1 |
| United States|Australia|Austria|Belgium|Canada|France|Germany|Italy|Japan|Korea, Republic of|Russian Federation|Spain|Taiwan|United Kingdom | 1 |
| United States|Australia|Austria|Belgium|Czechia|Japan|Korea, Republic of | 1 |
| United States|Australia|Austria|Belgium|Denmark|France|Germany|Italy|Netherlands|Norway|Spain|Sweden|United Kingdom | 1 |
| United States|Australia|Belgium|Brazil|Canada|China|Czechia|France|Germany|Greece|Israel|Italy|Japan|Korea, Republic of|Mexico|Poland|Russian Federation|Spain|Turkey|United Kingdom | 1 |
| United States|Australia|Belgium|Brazil|Canada|Czechia|Denmark|Finland|France|Germany|Greece|Israel|Italy|Korea, Republic of|Mexico|Netherlands|Norway|Poland|Portugal|Spain|Sweden|Turkey|United Kingdom | 1 |
| United States|Australia|Belgium|Brazil|Canada|France|Germany|Hong Kong|Hungary|Russian Federation|Switzerland | 1 |
| United States|Australia|Belgium|Bulgaria|China|Denmark|Germany|Hungary|Spain|Switzerland|Taiwan|United Kingdom | 1 |
| United States|Australia|Belgium|Canada|Denmark|France|Germany|Indonesia|Israel|Italy|Netherlands|Spain|Sweden|Switzerland|Turkey|United Kingdom | 1 |
| United States|Australia|Belgium|Canada|Denmark|France|Germany|Italy|Japan|Mexico|Netherlands|Poland|Spain|Sweden | 1 |
| United States|Australia|Belgium|Canada|Denmark|France|Germany|Italy|Netherlands|Spain|United Kingdom | 1 |
| United States|Australia|Belgium|Canada|France|Germany|Israel|Netherlands|Spain|Sweden|United Kingdom | 1 |
| United States|Australia|Belgium|Canada|France|Germany|Italy|Netherlands|United Kingdom | 1 |
| United States|Australia|Belgium|Canada|France|Germany|Italy|Switzerland | 1 |
| United States|Australia|Belgium|Czech Republic|Denmark|France|Germany|Greece|Italy|Netherlands|Russian Federation|Spain|Sweden|Switzerland|United Kingdom | 1 |
| United States|Australia|Belgium|France|Germany|Italy|Poland|Spain|United Kingdom | 1 |
| United States|Australia|Brazil|Chile|France|Germany|Italy|Peru|Spain|United Kingdom | 1 |
| United States|Australia|Bulgaria|Canada|China|Denmark|Greece|Hong Kong|Italy|Malaysia|Mexico|New Zealand|Romania|Russian Federation|Switzerland|Thailand|United Kingdom | 1 |
| United States|Australia|Canada|China|Israel|Poland|Portugal|Spain | 1 |
| United States|Australia|Canada|China|New Zealand | 1 |
| United States|Australia|Canada|Denmark|France|Germany|Italy|Spain|Switzerland|United Kingdom | 1 |
| United States|Australia|Canada|France|Germany|Italy|United Kingdom | 1 |
| United States|Australia|Canada|France|Germany|Puerto Rico|Russian Federation | 1 |
| United States|Australia|Canada|Italy|Spain|United Kingdom | 1 |
| United States|Australia|Canada|Malaysia|Netherlands|Thailand | 1 |
| United States|Australia|Canada|New Zealand|Puerto Rico | 1 |
| United States|Australia|Canada|New Zealand|Puerto Rico|Saudi Arabia | 1 |
| United States|Australia|Canada|New Zealand|Saudi Arabia | 1 |
| United States|Australia|Canada|Puerto Rico | 1 |
| United States|Australia|Finland|France|Germany|Netherlands|Spain|United Kingdom | 1 |
| United States|Australia|Finland|Italy|Singapore|Spain|Switzerland | 1 |
| United States|Australia|France|Germany|Japan|Puerto Rico|Spain|United Kingdom | 1 |
| United States|Australia|France|Israel|Italy|Spain|United Kingdom | 1 |
| United States|Australia|France|Spain | 1 |
| United States|Australia|France|United Kingdom | 1 |
| United States|Australia|Germany | 1 |
| United States|Australia|Germany|Israel|Netherlands | 1 |
| United States|Australia|Hungary|Netherlands | 1 |
| United States|Australia|India|Italy|United Kingdom | 1 |
| United States|Australia|Israel|Netherlands|Poland|Spain | 1 |
| United States|Austria|Belgium|Canada|Czechia|France|Germany|Greece|Hong Kong|Hungary|Italy|Japan|Korea, Republic of|Norway|Spain|Sweden|Taiwan|Turkey|United Kingdom | 1 |
| United States|Austria|Belgium|Canada|Denmark|France|Germany|Israel|Italy|Poland|Russian Federation|Spain|Sweden|United Kingdom | 1 |
| United States|Austria|Belgium|Canada|France|Germany|Hungary|Italy|Korea, Republic of|Spain|Sweden|Switzerland|Thailand|United Kingdom | 1 |
| United States|Austria|Belgium|Canada|France|Germany|Italy|Netherlands|Poland|Portugal|Spain|United Kingdom | 1 |
| United States|Austria|Belgium|France|Germany|Israel|Spain|United Kingdom | 1 |
| United States|Austria|Bulgaria|Canada|Germany|Israel|Italy|Netherlands|Poland|Spain | 1 |
| United States|Austria|Finland|France|Germany|Italy | 1 |
| United States|Austria|Germany|Spain | 1 |
| United States|Bangladesh|Denmark|Netherlands|United Kingdom | 1 |
| United States|Belgium|Brazil|Canada|Croatia|Germany|Hong Kong|Hungary|Netherlands|Portugal|Spain | 1 |
| United States|Belgium|Bulgaria|Canada|Czechia|Denmark|France|Germany|Israel|Italy|Netherlands|Poland|Serbia|Spain|Turkey | 1 |
| United States|Belgium|Bulgaria|Canada|Czechia|France|Germany|Ireland|Israel|Italy|Netherlands|Spain | 1 |
| United States|Belgium|Bulgaria|Canada|Estonia|Germany|Hungary|Israel|Italy|Netherlands|Poland|Serbia|Spain|Ukraine|United Kingdom | 1 |
| United States|Belgium|Canada|Czech Republic|Germany|Hungary|Netherlands|Poland|Russian Federation|Spain|Sweden | 1 |
| United States|Belgium|Canada|Czechia|France|Germany|Israel|Italy|Korea, Republic of|Netherlands|Russian Federation|Spain|United Kingdom | 1 |
| United States|Belgium|Canada|Denmark|France|Germany|Italy|Netherlands|Spain|United Kingdom | 1 |
| United States|Belgium|Canada|Denmark|France|Germany|Netherlands|Poland|United Kingdom | 1 |
| United States|Belgium|Canada|Denmark|France|Netherlands|Poland|United Kingdom | 1 |
| United States|Belgium|Canada|Finland|Germany|Italy|United Kingdom | 1 |
| United States|Belgium|Canada|Finland|Italy|United Kingdom | 1 |
| United States|Belgium|France | 1 |
| United States|Belgium|France|Germany|India|Italy|Spain|Turkey|United Kingdom | 1 |
| United States|Belgium|France|Germany|Italy | 1 |
| United States|Belgium|France|Germany|Italy|Spain | 1 |
| United States|Belgium|France|Germany|Italy|Spain|United Kingdom | 1 |
| United States|Belgium|France|Germany|Netherlands | 1 |
| United States|Belgium|Germany|Italy|Japan|Korea, Republic of|Spain|United Kingdom | 1 |
| United States|Belgium|Italy|Netherlands|Russian Federation|Spain | 1 |
| United States|Brazil|Canada|France|Germany|Hungary|Israel|Italy|Netherlands|South Africa|Spain|United Kingdom | 1 |
| United States|Brazil|Canada|France|Germany|Israel|Italy|Netherlands|South Africa|Spain|United Kingdom | 1 |
| United States|Brazil|Canada|Germany|Italy|Netherlands|United Kingdom | 1 |
| United States|Brazil|Czechia|India|Latvia|Poland|Russian Federation|Serbia|South Africa|Turkey|Ukraine | 1 |
| United States|Brazil|Denmark|France|Germany|Hong Kong|Italy|Korea, Republic of|Puerto Rico|Taiwan|United Kingdom | 1 |
| United States|Brazil|France|Israel|Italy|Netherlands|Portugal|Singapore|Spain|United Kingdom | 1 |
| United States|Brazil|Mexico|Portugal | 1 |
| United States|Bulgaria|Canada|Germany|Hungary|Netherlands|Poland|Spain|United Kingdom | 1 |
| United States|Bulgaria|Czech Republic|France|Germany|Italy|Poland|Romania|Russian Federation|Spain|United Kingdom | 1 |
| United States|Bulgaria|Denmark|France|Greece|Hungary|Israel|Italy|Netherlands|Poland|Romania|Spain | 1 |
| United States|Bulgaria|France|Greece|Hungary|Israel|Italy|Netherlands|Poland|Romania|Spain | 1 |
| United States|Bulgaria|Georgia|Romania | 1 |
| United States|Canada|Czechia|Denmark|France|Germany|Hungary|Ireland|Italy|Netherlands|Poland|Romania|Spain|Sweden | 1 |
| United States|Canada|Denmark|Finland|France|Germany | 1 |
| United States|Canada|Denmark|Finland|France|Italy|Spain|Sweden|United Kingdom | 1 |
| United States|Canada|Denmark|France|Germany|Italy|Netherlands|Poland|Spain|United Kingdom | 1 |
| United States|Canada|Denmark|France|Germany|Italy|Poland|Spain|United Kingdom | 1 |
| United States|Canada|Denmark|Russian Federation|Serbia|Spain | 1 |
| United States|Canada|Finland|Germany|Italy|Netherlands|Spain|Switzerland|United Kingdom | 1 |
| United States|Canada|France|Germany | 1 |
| United States|Canada|France|Germany|Hungary|Italy|Poland | 1 |
| United States|Canada|France|Germany|Italy|Mexico|Poland|Spain|United Kingdom | 1 |
| United States|Canada|France|Germany|Netherlands|South Africa|Spain|United Kingdom | 1 |
| United States|Canada|France|Germany|Netherlands|Spain|United Kingdom | 1 |
| United States|Canada|France|Greece|Italy|Poland|South Africa | 1 |
| United States|Canada|France|Italy|Norway|Spain|United Kingdom | 1 |
| United States|Canada|France|Netherlands | 1 |
| United States|Canada|France|Puerto Rico|Spain|United Kingdom | 1 |
| United States|Canada|France|Spain | 1 |
| United States|Canada|Germany | 1 |
| United States|Canada|Germany|Netherlands|Spain|United Kingdom | 1 |
| United States|Canada|New Zealand | 1 |
| United States|Canada|Puerto Rico | 1 |
| United States|Canada|Puerto Rico|United Kingdom | 1 |
| United States|Canada|Spain | 1 |
| United States|Canada|Sweden|United Kingdom | 1 |
| United States|Chile | 1 |
| United States|Chile|Israel | 1 |
| United States|Colombia|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|Croatia|Czechia|Denmark|France|Germany|Hungary|India|Israel|Italy|Korea, Republic of|Mexico|Netherlands|Norway|Peru|Poland|Portugal|Puerto Rico|Romania|Russian Federation|Serbia|Slovakia|Spain|Sweden|Switzerland|Ukraine|United Kingdom|Virgin Islands (U.S.) | 1 |
| United States|Costa Rica|El Salvador|Morocco|Panama | 1 |
| United States|Czechia|Ireland|Italy|Netherlands | 1 |
| United States|Denmark|France|United Kingdom | 1 |
| United States|Denmark|Germany | 1 |
| United States|Denmark|Korea, Republic of|Spain | 1 |
| United States|Estonia|France|Germany|Latvia|Lithuania|Poland|Spain|United Kingdom | 1 |
| United States|Finland|France|Israel|Italy|Lithuania|Netherlands|Poland|Russian Federation|Spain|Turkey|United Kingdom | 1 |
| United States|France|Germany|Hungary|Poland|Russian Federation|Serbia|Spain | 1 |
| United States|France|Germany|India|Spain|United Kingdom | 1 |
| United States|France|Germany|Italy|Russian Federation|Spain|United Kingdom | 1 |
| United States|France|Germany|Italy|Russian Federation|United Kingdom | 1 |
| United States|France|Germany|Poland|Portugal|United Kingdom | 1 |
| United States|France|Germany|Spain | 1 |
| United States|France|Germany|United Kingdom | 1 |
| United States|France|Italy|Netherlands|Spain|United Kingdom | 1 |
| United States|France|Poland|United Kingdom | 1 |
| United States|France|Portugal | 1 |
| United States|France|Sweden|United Kingdom | 1 |
| United States|Germany|Hungary|Switzerland|United Kingdom | 1 |
| United States|Germany|Spain | 1 |
| United States|Honduras | 1 |
| United States|Hungary|Italy|Netherlands|United Kingdom | 1 |
| United States|India|South Africa | 1 |
| United States|Ireland|United Kingdom | 1 |
| United States|Israel|Peru | 1 |
| United States|Italy|Taiwan|United Kingdom | 1 |
| United States|Italy|United Kingdom | 1 |
| United States|Japan | 1 |
| United States|Netherlands | 1 |
| United States|Netherlands|Poland | 1 |
| United States|Poland|Spain | 1 |
| United States|Poland|Spain|United Kingdom | 1 |
| United States|Portugal|Spain | 1 |
| United States|Sweden | 1 |
| United States|Switzerland | 1 |
| Venezuela | 1 |
| Site_count | Study_Count |
|---|---|
| 1 | 2826 |
| 2 | 257 |
| 3 | 112 |
| 4 | 95 |
| 5 | 73 |
| 6 | 61 |
| 7 | 45 |
| 8 | 35 |
| 9 | 39 |
| 10 | 23 |
| 11 | 31 |
| 12 | 29 |
| 13 | 20 |
| 14 | 18 |
| 15 | 20 |
| 16 | 13 |
| 17 | 20 |
| 18 | 5 |
| 19 | 10 |
| 20 | 10 |
| 21 | 12 |
| 22 | 14 |
| 23 | 9 |
| 24 | 11 |
| 25 | 8 |
| 26 | 9 |
| 27 | 3 |
| 28 | 10 |
| 29 | 10 |
| 30 | 6 |
| 31 | 10 |
| 32 | 5 |
| 33 | 5 |
| 34 | 6 |
| 35 | 7 |
| 36 | 7 |
| 37 | 10 |
| 38 | 11 |
| 39 | 5 |
| 40 | 3 |
| 41 | 3 |
| 42 | 4 |
| 43 | 9 |
| 44 | 5 |
| 45 | 3 |
| 46 | 4 |
| 47 | 3 |
| 48 | 4 |
| 49 | 5 |
| 50 | 5 |
| 51 | 1 |
| 52 | 3 |
| 53 | 1 |
| 54 | 3 |
| 55 | 1 |
| 56 | 2 |
| 57 | 3 |
| 58 | 1 |
| 59 | 4 |
| 60 | 2 |
| 61 | 2 |
| 62 | 1 |
| 63 | 2 |
| 64 | 2 |
| 65 | 2 |
| 66 | 2 |
| 67 | 1 |
| 68 | 2 |
| 69 | 3 |
| 70 | 1 |
| 71 | 3 |
| 74 | 1 |
| 75 | 1 |
| 76 | 2 |
| 79 | 3 |
| 80 | 2 |
| 81 | 1 |
| 82 | 1 |
| 83 | 1 |
| 85 | 2 |
| 87 | 2 |
| 88 | 3 |
| 90 | 1 |
| 92 | 1 |
| 94 | 3 |
| 96 | 3 |
| 99 | 1 |
| 100 | 1 |
| 101 | 2 |
| 102 | 2 |
| 103 | 1 |
| 107 | 1 |
| 108 | 1 |
| 110 | 1 |
| 111 | 1 |
| 112 | 1 |
| 116 | 1 |
| 117 | 1 |
| 118 | 2 |
| 119 | 1 |
| 127 | 1 |
| 131 | 1 |
| 141 | 1 |
| 142 | 1 |
| 145 | 1 |
| 151 | 1 |
| 155 | 1 |
| 158 | 1 |
| 177 | 1 |
| 178 | 1 |
| 180 | 1 |
| 185 | 1 |
| 191 | 2 |
| 196 | 1 |
| 203 | 1 |
| 204 | 1 |
| 211 | 1 |
| 234 | 1 |
| 237 | 1 |
| 242 | 1 |
| 253 | 1 |
| 262 | 1 |
| 283 | 1 |
| 288 | 1 |
| 296 | 1 |
| 298 | 1 |
| 326 | 1 |
| 341 | 2 |
| 513 | 1 |
| 563 | 1 |
| 584 | 1 |
| 626 | 1 |
| 672 | 1 |
| 688 | 1 |
| 829 | 1 |
| 916 | 1 |
| 918 | 1 |
| 955 | 1 |
| Phase | Study_Count |
|---|---|
| N/A | 1527 |
| Phase 2 | 923 |
| Phase 3 | 514 |
| Phase 4 | 386 |
| Phase 1 | 341 |
| Phase 1/Phase 2 | 242 |
| Phase 2/Phase 3 | 103 |
| Early Phase 1 | 38 |
| Number_of_Arms | Count_of_Studies |
|---|---|
| 1 | 1078 |
| 2 | 1932 |
| 3 | 370 |
| 4 | 183 |
| 5 | 44 |
| 6 | 34 |
| 7 | 9 |
| 8 | 3 |
| 9 | 7 |
| 25 | 1 |
| NA | 413 |
| Measure | Early.Phase.1 | N.A | Phase.1 | Phase.1.Phase.2 | Phase.2 | Phase.2.Phase.3 | Phase.3 | Phase.4 |
|---|---|---|---|---|---|---|---|---|
| Min. | 1.00000 | 1.0000 | 1.00000 | 2.00000 | 1.0000 | 6.00 | 3.0000 | 4.0000 |
| 1st Qu. | 20.00000 | 30.0000 | 15.00000 | 20.00000 | 25.0000 | 49.75 | 57.0000 | 40.0000 |
| Median | 41.50000 | 56.0000 | 26.00000 | 37.00000 | 48.0000 | 97.00 | 130.0000 | 77.0000 |
| Mean | 68.44737 | 200.6658 | 36.80251 | 59.13617 | 217.3808 | 161.41 | 549.7137 | 320.4591 |
| 3rd Qu. | 77.00000 | 105.0000 | 46.00000 | 65.00000 | 104.0000 | 183.25 | 326.2500 | 182.5000 |
| Max. | 705.00000 | 48282.0000 | 496.00000 | 942.00000 | 100000.0000 | 2000.00 | 18624.0000 | 19519.0000 |
| group_type | Group_Count |
|---|---|
| Experimental | 4036 |
| Active Comparator | 1548 |
| Placebo Comparator | 1012 |
| NA | 413 |
| Other | 378 |
| No Intervention | 300 |
| Sham Comparator | 109 |
| intervention_model | Study_Count |
|---|---|
| Parallel Assignment | 2258 |
| Single Group Assignment | 1235 |
| Crossover Assignment | 324 |
| NA | 167 |
| Factorial Assignment | 48 |
| Sequential Assignment | 42 |
| primary_purpose | Study_Count |
|---|---|
| Treatment | 3209 |
| Prevention | 258 |
| Supportive Care | 139 |
| Diagnostic | 138 |
| Basic Science | 113 |
| Other | 80 |
| NA | 61 |
| Health Services Research | 43 |
| Screening | 28 |
| Device Feasibility | 4 |
| Educational/Counseling/Training | 1 |
| Country | Study_Count |
|---|---|
| United States | 359 |
| France | 112 |
| NA | 95 |
| China | 41 |
| Germany | 40 |
| Italy | 33 |
| United Kingdom | 33 |
| Denmark | 23 |
| Taiwan | 22 |
| Switzerland | 21 |
| Korea, Republic of | 20 |
| Turkey | 20 |
| Canada | 19 |
| Egypt | 17 |
| Brazil | 16 |
| Netherlands | 15 |
| Spain | 14 |
| Japan | 13 |
| India | 9 |
| Belgium | 8 |
| Israel | 8 |
| United States|Canada | 8 |
| Greece | 7 |
| Sweden | 7 |
| Russian Federation | 6 |
| Thailand | 5 |
| Austria | 4 |
| Finland | 4 |
| Indonesia | 4 |
| Norway | 4 |
| Poland | 4 |
| Singapore | 4 |
| Mexico | 3 |
| Romania | 3 |
| United States|Puerto Rico | 3 |
| United States|United Kingdom | 3 |
| Argentina | 2 |
| Belgium|France | 2 |
| Croatia | 2 |
| Iran, Islamic Republic of | 2 |
| Ireland | 2 |
| Portugal | 2 |
| United States|Australia | 2 |
| United States|Israel | 2 |
| Argentina|Belgium|Brazil|Denmark|Finland|France|Germany|Greece|Italy|Luxembourg|Mexico|Netherlands|Norway|Poland|Romania|Slovenia|Spain|Turkey|United Kingdom|Venezuela | 1 |
| Argentina|Belgium|Czechia|Denmark|Finland|France|Germany|Hungary|Ireland|Israel|Italy|Lithuania|Luxembourg|Netherlands|Norway|Russian Federation|Saudi Arabia|Serbia|Slovenia|Spain|Sweden|Switzerland|United Kingdom | 1 |
| Austria|Belgium|Czech Republic|Denmark|Germany|Ireland|Italy|Netherlands|Spain|Switzerland | 1 |
| Austria|Croatia|Czechia|Denmark|France|Germany|Greece|Israel|Italy|Netherlands|Poland|Portugal|Romania|Serbia|Spain|Sweden|Switzerland|United Kingdom | 1 |
| Austria|Denmark|France|Germany|Italy|Spain|Sweden|United Kingdom | 1 |
| Austria|Germany | 1 |
| Austria|Germany|Netherlands|Switzerland | 1 |
| Brazil|Portugal|United Kingdom | 1 |
| Bulgaria | 1 |
| Canada|China|France | 1 |
| Canada|Norway|Sweden | 1 |
| China|Egypt|Mexico|Poland | 1 |
| China|India|Korea, Republic of|Malaysia|Singapore|Thailand|Vietnam | 1 |
| Colombia | 1 |
| Cyprus|Finland|Netherlands | 1 |
| Czechia | 1 |
| Czechia|France|Hungary|Israel|Italy|Poland|Spain|United Kingdom | 1 |
| Denmark|Germany|Switzerland | 1 |
| Ecuador | 1 |
| Egypt|Germany|India|Sri Lanka | 1 |
| Finland|France|Germany|Italy|Sweden|United Kingdom | 1 |
| France|Germany|Italy|Spain | 1 |
| France|Germany|Spain | 1 |
| France|Italy | 1 |
| France|Monaco | 1 |
| France|United States|Spain | 1 |
| Gabon | 1 |
| Hong Kong | 1 |
| India|Lithuania|Sri Lanka | 1 |
| Italy|Netherlands|Spain | 1 |
| Italy|United Kingdom | 1 |
| Lebanon | 1 |
| Lithuania | 1 |
| Malta | 1 |
| Netherlands|Spain|Sweden | 1 |
| Panama | 1 |
| Portugal|United Kingdom | 1 |
| Saudi Arabia | 1 |
| Slovenia | 1 |
| Taiwan|Vietnam | 1 |
| Tanzania | 1 |
| United States|Argentina|Australia|Bangladesh|Belgium|Canada|China|Denmark|France|Germany|Greece|Italy|Japan|Malaysia|Netherlands|Puerto Rico|South Africa|Spain|Taiwan|United Kingdom | 1 |
| United States|Argentina|Australia|Belgium|Chile|Denmark|Germany|Greece|Peru|Spain|Thailand|United Kingdom | 1 |
| United States|Argentina|Australia|Canada|Czech Republic|Hungary|Ireland|Israel|Italy|Spain | 1 |
| United States|Argentina|Canada|France|Italy|Spain|United Kingdom | 1 |
| United States|Argentina|Canada|Mexico|New Zealand|Singapore|Spain | 1 |
| United States|Argentina|Mexico|Spain|United Kingdom | 1 |
| United States|Australia|Canada | 1 |
| United States|Australia|Canada|France|Germany|United Kingdom | 1 |
| United States|Australia|Canada|Puerto Rico | 1 |
| United States|Austria|Belgium|Brazil|China|Croatia|Czechia|France|Germany|Italy|Taiwan|United Kingdom | 1 |
| United States|Austria|Canada|France|Germany|Netherlands|Spain|Switzerland | 1 |
| United States|Austria|Czechia|Germany|Japan|Norway|Switzerland | 1 |
| United States|Austria|Germany|Norway|Switzerland | 1 |
| United States|Brazil|France | 1 |
| United States|Brazil|United Kingdom | 1 |
| United States|Canada|Italy|United Kingdom | 1 |
| United States|Canada|United Kingdom | 1 |
| United States|Colombia | 1 |
| United States|Colombia|Peru|Spain | 1 |
| United States|France | 1 |
| United States|Germany|United Kingdom | 1 |
| United States|Guatemala | 1 |
| United States|Israel|United Kingdom | 1 |
| United States|Italy | 1 |
| United States|Spain|Taiwan | 1 |
| United States|Thailand | 1 |
| Site_count | Study_Count |
|---|---|
| 1 | 825 |
| 2 | 75 |
| 3 | 31 |
| 4 | 19 |
| 5 | 15 |
| 6 | 11 |
| 7 | 16 |
| 8 | 9 |
| 9 | 2 |
| 10 | 6 |
| 11 | 7 |
| 12 | 3 |
| 13 | 5 |
| 15 | 2 |
| 16 | 4 |
| 17 | 2 |
| 18 | 6 |
| 19 | 1 |
| 20 | 1 |
| 22 | 1 |
| 23 | 2 |
| 24 | 2 |
| 25 | 3 |
| 26 | 2 |
| 27 | 1 |
| 28 | 1 |
| 29 | 2 |
| 31 | 1 |
| 34 | 1 |
| 35 | 3 |
| 37 | 1 |
| 38 | 1 |
| 43 | 2 |
| 45 | 2 |
| 47 | 1 |
| 50 | 2 |
| 53 | 1 |
| 57 | 1 |
| 63 | 1 |
| 66 | 1 |
| 67 | 1 |
| 70 | 1 |
| 80 | 1 |
| 109 | 1 |
| 127 | 1 |
| 131 | 1 |
| 159 | 1 |
| 186 | 1 |
| 189 | 1 |
| 203 | 1 |
| 225 | 1 |
| 234 | 1 |
| 251 | 1 |
| 280 | 1 |
| 292 | 1 |
| 317 | 1 |
| 411 | 1 |
| 785 | 1 |
| Measure | Observational |
|---|---|
| Min | 1.000 |
| 1st Qu | 50.000 |
| Median | 120.000 |
| Mean | 8052.171 |
| 3rd Qu | 458.000 |
| Max | 6000000.000 |
| observational_model | Study_Count |
|---|---|
| Cohort | 533 |
| Case-Control | 139 |
| Case-Only | 109 |
| NA | 108 |
| Case Control | 100 |
| Other | 51 |
| Family-Based | 23 |
| Ecologic or Community | 8 |
| Case-Crossover | 7 |
| Case Control, Natural History | 3 |
| Defined Population | 3 |
| Defined Population, Natural History | 3 |
| Natural History | 3 |
| time_perspective | Study_Count |
|---|---|
| Prospective | 680 |
| Cross-Sectional | 157 |
| Retrospective | 137 |
| NA | 73 |
| Other | 32 |
| Cross-Sectional, Prospective | 3 |
| Longitudinal, Prospective | 3 |
| Cross-Sectional, Retrospective/Prospective | 2 |
| Cross-Sectional, Retrospective | 1 |
| Longitudinal, Retrospective | 1 |
| Longitudinal, Retrospective/Prospective | 1 |
| Country | Study_Count |
|---|---|
| United States | 28 |
| China | 9 |
| France | 9 |
| Italy | 8 |
| Canada | 6 |
| NA | 6 |
| Spain | 6 |
| Germany | 4 |
| Korea, Republic of | 4 |
| Turkey | 4 |
| Russian Federation | 2 |
| Sweden | 2 |
| Argentina | 1 |
| Austria | 1 |
| Belgium | 1 |
| Belgium|Denmark|France|Germany|Greece|Italy|Luxembourg|Norway|Spain|Sweden|United Kingdom | 1 |
| Brazil | 1 |
| Chile | 1 |
| China|Hong Kong|India|Indonesia|Japan|Malaysia|Pakistan|Singapore|Thailand|Vietnam | 1 |
| Colombia | 1 |
| Denmark | 1 |
| Ecuador | 1 |
| Greece | 1 |
| Hong Kong | 1 |
| India | 1 |
| Indonesia | 1 |
| Iran, Islamic Republic of | 1 |
| Ireland | 1 |
| Kuwait | 1 |
| Lithuania | 1 |
| Mexico | 1 |
| Nepal | 1 |
| Netherlands | 1 |
| Norway | 1 |
| Taiwan | 1 |
| Thailand | 1 |
| United Kingdom | 1 |
| United States|Australia | 1 |
| United States|Australia|Belgium|Canada|Denmark|France|Germany|Israel|Italy|Korea, Republic of|Poland|Russian Federation|Spain|Taiwan|United Kingdom | 1 |
| United States|Australia|Canada|New Zealand|United Kingdom | 1 |
| United States|Australia|Ireland|Spain|Sweden|United Kingdom | 1 |
| United States|Canada|Denmark|France|Germany|Norway|United Kingdom | 1 |
| Site_count | Study_Count |
|---|---|
| 1 | 95 |
| 2 | 5 |
| 3 | 2 |
| 4 | 1 |
| 6 | 2 |
| 7 | 1 |
| 9 | 2 |
| 11 | 1 |
| 12 | 1 |
| 15 | 1 |
| 19 | 1 |
| 21 | 2 |
| 36 | 1 |
| 61 | 1 |
| 128 | 1 |
| 135 | 1 |
| Measure | Registries |
|---|---|
| Min | 5.000 |
| 1st Qu | 142.500 |
| Median | 400.000 |
| Mean | 2693.008 |
| 3rd Qu | 1619.250 |
| Max | 100000.000 |
| observational_model | Study_Count |
|---|---|
| Cohort | 79 |
| Case-Only | 11 |
| Other | 10 |
| Case-Control | 8 |
| Family-Based | 5 |
| Ecologic or Community | 3 |
| Case Control | 1 |
| NA | 1 |
| time_perspective | Study_Count |
|---|---|
| Prospective | 91 |
| Other | 14 |
| Cross-Sectional | 13 |
| target_duration | Study_Count |
|---|---|
| 10 Years | 20 |
| 5 Years | 14 |
| 12 Months | 8 |
| 2 Years | 8 |
| 3 Years | 8 |
| 1 Day | 7 |
| 1 Year | 7 |
| 6 Months | 7 |
| 15 Years | 5 |
| 20 Years | 5 |
| 2 Days | 2 |
| 2 Months | 2 |
| 3 Months | 2 |
| 4 Years | 2 |
| 60 Days | 2 |
| 7 Years | 2 |
| 1 Month | 1 |
| 100 Years | 1 |
| 14 Years | 1 |
| 180 Days | 1 |
| 21 Months | 1 |
| 3 Days | 1 |
| 3 Weeks | 1 |
| 30 Months | 1 |
| 36 Months | 1 |
| 360 Days | 1 |
| 4 Days | 1 |
| 4 Weeks | 1 |
| 50 Years | 1 |
| 6 Years | 1 |
| 7 Days | 1 |
| 8 Months | 1 |
| 8 Weeks | 1 |
#If less then 500 trials
#If less then 500 studies
#If less then 500 registries
| nct_id | brief_title | link | overall_status | source | primary_completion_date |
|---|---|---|---|---|---|
| NCT04044066 | Biomarker-based Prognostic Assessment | https://ClinicalTrials.gov/show/NCT04044066 | Recruiting | Qilu Hospital of Shandong University | 2020-12-31 |
| NCT03409653 | Complex Chronic Diseases Program Data Registry | https://ClinicalTrials.gov/show/NCT03409653 | Enrolling by invitation | BC Women’s Hospital & Health Centre | 2021-09-30 |
| NCT01770054 | Prevalence of Metabolic Syndrome in Atahualpa | https://ClinicalTrials.gov/show/NCT01770054 | Completed | Hospital ClÃnica Kennedy | 2013-03-31 |
| NCT03344718 | Metabolic Syndrome and Vitamin D Level in Old People | https://ClinicalTrials.gov/show/NCT03344718 | Completed | National Cheng-Kung University Hospital | 2012-08-17 |
| NCT03326037 | Study of The Association of Mutations in The NPHS2 Gene and Nephrotic Syndrome in Children and Adults in Middle East | https://ClinicalTrials.gov/show/NCT03326037 | Active, not recruiting | Assiut University | 2019-10-31 |
| NCT03319524 | Clinical and Genetic Testing of Patients With Usher Syndrome | https://ClinicalTrials.gov/show/NCT03319524 | Completed | Sensor Technology for Deafblind | 2018-04-01 |
| NCT03311165 | Epidemiological Study of Neonatal Acute Respiratory Distress Syndrome (ARDS) | https://ClinicalTrials.gov/show/NCT03311165 | Completed | Daping Hospital and the Research Institute of Surgery of the Third Military Medical University | 2019-06-30 |
| NCT03303716 | ASXL-Related Disorders Registry | https://ClinicalTrials.gov/show/NCT03303716 | Recruiting | University of California, Los Angeles | 2037-09-30 |
| NCT03292887 | Hunter Outcome Survey (HOS) | https://ClinicalTrials.gov/show/NCT03292887 | Recruiting | Shire | 2022-09-01 |
| NCT03275935 | Evaluation of Inhalation Technique in Patients With COPD, Asthma or ACOS Using a Dry Powder Device (DPI) | https://ClinicalTrials.gov/show/NCT03275935 | Completed | Kathmandu University School of Medical Sciences | 2017-06-30 |
| NCT03275480 | Institut Paoli Calmettes Myelodysplastic Syndromes Database | https://ClinicalTrials.gov/show/NCT03275480 | Recruiting | Institut Paoli-Calmettes | 2030-01-31 |
| NCT03246542 | Promising Bimarker Prediction of Outcome of HELLP Syndrome. | https://ClinicalTrials.gov/show/NCT03246542 | Completed | Ain Shams Maternity Hospital | 2015-12-01 |
| NCT03231644 | Fibrous Dysplasia, McCune-Albright Syndrome Patient Registry | https://ClinicalTrials.gov/show/NCT03231644 | Recruiting | Fibrous Dysplasia Foundation | 2026-10-31 |
| NCT03233477 | Patient Registry of Posner-Schlossman Syndrome | https://ClinicalTrials.gov/show/NCT03233477 | Recruiting | Peking University | 2029-07-31 |
| NCT03218761 | POTS NET mRNA Functional Correlation With NET Activity | https://ClinicalTrials.gov/show/NCT03218761 | Enrolling by invitation | Vanderbilt University Medical Center | 2022-12-31 |
| NCT03197298 | Change of Dual Antiplatelet Therapy in Patients With Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT03197298 | Completed | Thorax Centrum Twente | 2016-07-25 |
| NCT03185702 | UTHealth Turner Syndrome Research Registry | https://ClinicalTrials.gov/show/NCT03185702 | Recruiting | The University of Texas Health Science Center, Houston | 2025-01-01 |
| NCT03182309 | Registry for Chronic Obstructive Pulmonary Disease With Sleep Apnea Hypopnea Syndrome in China | https://ClinicalTrials.gov/show/NCT03182309 | Recruiting | Chinese Academy of Medical Sciences, Fuwai Hospital | 2020-12-31 |
| NCT03178877 | The Prevalence of Irritable Bowel Syndrome Using Rome IV Criteria in Medical Student and The Related Factors | https://ClinicalTrials.gov/show/NCT03178877 | Completed | Indonesia University | 2016-12-31 |
| NCT03169296 | Clinical and Genomic Registry of MDS in Asia | https://ClinicalTrials.gov/show/NCT03169296 | Recruiting | The University of Hong Kong | 2022-06-30 |
| NCT03137355 | The Leigh Syndrome Registry | https://ClinicalTrials.gov/show/NCT03137355 | Recruiting | The University of Texas Health Science Center, Houston | 2025-06-17 |
| NCT03129503 | Optical Coherence Tomography in Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT03129503 | Active, not recruiting | Charite University, Berlin, Germany | 2024-03-31 |
| NCT03088020 | International Congenital Central Hypoventilation Syndrome (CCHS) Registry | https://ClinicalTrials.gov/show/NCT03088020 | Recruiting | Ann & Robert H Lurie Children’s Hospital of Chicago | 2021-12-31 |
| NCT03069053 | Clinical Features and Histologic Findings in Bladder Pain Syndrome/Interstitial Cystitis | https://ClinicalTrials.gov/show/NCT03069053 | Completed | IRCCS Policlinico S. Matteo | 2016-12-15 |
| NCT03067922 | Postmastectomy Pain Syndrome in an Indian Cancer Hospital | https://ClinicalTrials.gov/show/NCT03067922 | Completed | Tata Memorial Centre | 2018-03-06 |
| NCT02954120 | Chronic Periodontitis and Polycystic Ovary Syndrome | https://ClinicalTrials.gov/show/NCT02954120 | Completed | Bezmialem Vakif University | 2015-05-31 |
| NCT02870660 | Familial Hypercholesterolemia Amongst Patients With Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT02870660 | Recruiting | Isfahan University of Medical Sciences | 2018-09-30 |
| NCT02841553 | Wolfram Syndrome International Registry and Clinical Study | https://ClinicalTrials.gov/show/NCT02841553 | Recruiting | Washington University School of Medicine | 2025-12-31 |
| NCT02822677 | A Cross-sectional Study on IBS Subtypes, Chinese Medicine Pattern and Host-gut Microbiota Metabolic Interactions | https://ClinicalTrials.gov/show/NCT02822677 | Completed | Hong Kong Baptist University | 2017-01-16 |
| NCT02799940 | Abnormalities in Lung Computed Tomography and Physiological Alterations in Patients With Acute Respiratory Distress Syndrome | https://ClinicalTrials.gov/show/NCT02799940 | Completed | Hospital Regional Rio Gallegos | 2019-05-19 |
| NCT02767960 | Serum Tenascin-C Concentration in Patients With Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT02767960 | Completed | The First Affiliated Hospital of Dalian Medical University | 2017-01-31 |
| NCT02591979 | PASHOS Project: Advanced Platform for Sleep Apnea Syndrome Assessment | https://ClinicalTrials.gov/show/NCT02591979 | Completed | Fundació Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau | 2018-10-31 |
| NCT03402711 | Registry of Bleeding Risk in Real World Chinese Acute Coronary Syndrome Patients-II | https://ClinicalTrials.gov/show/NCT03402711 | Recruiting | Chinese PLA General Hospital | 2020-04-30 |
| NCT02549664 | Exercise in Genetic Cardiovascular Conditions | https://ClinicalTrials.gov/show/NCT02549664 | Active, not recruiting | Yale University | 2021-12-30 |
| NCT02447861 | Characterization of 3q29 Deletion Syndrome and 3q29 Duplication Syndrome | https://ClinicalTrials.gov/show/NCT02447861 | Recruiting | Emory University | 2021-03-31 |
| NCT02438085 | Prospective Registry of Acute Coronary Syndromes in Ferrara | https://ClinicalTrials.gov/show/NCT02438085 | Recruiting | University Hospital of Ferrara | 2022-06-30 |
| NCT02413450 | Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias | https://ClinicalTrials.gov/show/NCT02413450 | Enrolling by invitation | Johns Hopkins University | 2023-08-31 |
| NCT02381457 | SNP-based Microdeletion and Aneuploidy RegisTry (SMART) | https://ClinicalTrials.gov/show/NCT02381457 | Active, not recruiting | Natera, Inc. | 2020-04-30 |
| NCT02378805 | European Alport Therapy Registry - European Initiative Towards Delaying Renal Failure in Alport Syndrome | https://ClinicalTrials.gov/show/NCT02378805 | Recruiting | University Hospital Goettingen | 2010-07-31 |
| NCT02379702 | Metabolic Syndrome Prevalence Study | https://ClinicalTrials.gov/show/NCT02379702 | Completed | Abdi Ibrahim Ilac San. ve Tic A.S. | 2014-11-30 |
| NCT02330692 | Cohort Study of New Prognostic Factors With Peripheral Blood and Bone Marrow Evaluation at the Time of Diagnosis and Relapse in Myelodysplastic Syndrome | https://ClinicalTrials.gov/show/NCT02330692 | Recruiting | Yonsei University | 2023-07-31 |
| NCT02329210 | Clinical Registry Investigating Bardet-Biedl Syndrome | https://ClinicalTrials.gov/show/NCT02329210 | Recruiting | Marshfield Clinic Research Foundation | 2028-12-31 |
| NCT02327364 | Natural History of Pearson Syndrome | https://ClinicalTrials.gov/show/NCT02327364 | Enrolling by invitation | The Cleveland Clinic | 2020-09-30 |
| NCT02288260 | RuSsian RegisTry of Acute CoronaRy SyndromE TreAtMent and Approach in Dual Antiplatelet Therapy | https://ClinicalTrials.gov/show/NCT02288260 | Completed | AstraZeneca | 2018-07-29 |
| NCT02285868 | ATI Evidence-based Guide Investigating Clinical Services | https://ClinicalTrials.gov/show/NCT02285868 | Recruiting | ATI Holdings, LLC | 2024-01-31 |
| NCT02279654 | Non-interventional Study of Lenalidomide in the Clinical Routine Treatment of TD Patients With IPSS Low or Int-1 MDS and Isolated Del(5q) | https://ClinicalTrials.gov/show/NCT02279654 | Active, not recruiting | Celgene | 2022-03-31 |
| NCT02255344 | Multicenter Study to Develop a Risk Model for Early Major Cardiovascular Events | https://ClinicalTrials.gov/show/NCT02255344 | Completed | Instituto Mexicano del Seguro Social | 2019-12-31 |
| NCT02206360 | Pancreatic Cancer Early Detection Program | https://ClinicalTrials.gov/show/NCT02206360 | Recruiting | White Plains Hospital | 2024-03-31 |
| NCT02190955 | Assessment of the Educational Experiences for Patients Newly Diagnosed With Nephrotic Syndrome | https://ClinicalTrials.gov/show/NCT02190955 | Completed | University of South Florida | 2014-05-31 |
| NCT02130739 | Horner’s SD After Thoracic Epidural Block | https://ClinicalTrials.gov/show/NCT02130739 | Completed | Soonchunhyang University Hospital | 2013-12-31 |
| NCT02111668 | Thoracic Aortic Dilatation Syndromes | https://ClinicalTrials.gov/show/NCT02111668 | Completed | University of Aarhus | 2016-05-31 |
| NCT03969407 | Determination of the Best Positive End-expiratory Pressure (PEEP) | https://ClinicalTrials.gov/show/NCT03969407 | Completed | Centre Chirurgical Marie Lannelongue | 2019-06-20 |
| NCT02077530 | Metabolic Syndrome Cohort in Korea | https://ClinicalTrials.gov/show/NCT02077530 | Active, not recruiting | Korea University Anam Hospital | 2023-11-30 |
| NCT02060760 | Use of Abbott High Sensitivity Troponin I Assay In Acute Coronary Syndromes | https://ClinicalTrials.gov/show/NCT02060760 | Active, not recruiting | Hennepin Healthcare Research Institute | 2016-06-30 |
| NCT02018497 | Essential Hypotension and Allostasis Registry | https://ClinicalTrials.gov/show/NCT02018497 | Recruiting | CES University | 2020-07-30 |
| NCT02013583 | The Glucose Transporter Type I Deficiency (G1D) Registry | https://ClinicalTrials.gov/show/NCT02013583 | Recruiting | University of Texas Southwestern Medical Center | 2022-12-31 |
| NCT02011776 | A Randomized, Parallel-Group Comparison Study of Topical Corticosteroids in Dry Eye Patients With Sjögren Syndrome | https://ClinicalTrials.gov/show/NCT02011776 | Completed | Santen Pharmaceutical(China) Co.,LTD | 2013-08-31 |
| NCT01990040 | Registry for Participants With Short Bowel Syndrome | https://ClinicalTrials.gov/show/NCT01990040 | Recruiting | Shire | 2031-05-31 |
| NCT01989819 | Primary Sjögren Syndrome | https://ClinicalTrials.gov/show/NCT01989819 | Completed | University Hospital, Limoges | 2016-09-30 |
| NCT01971957 | Sjogren-Larsson Syndrome: Natural History, Clinical Variation and Evaluation of Biochemical Markers | https://ClinicalTrials.gov/show/NCT01971957 | Active, not recruiting | University of Nebraska | 2020-08-31 |
| NCT01907555 | Clinical, Molecular and Physiopathological Study of Cohen Syndrome and Cohen-like Syndromes | https://ClinicalTrials.gov/show/NCT01907555 | Completed | Centre Hospitalier Universitaire Dijon | 2016-09-13 |
| NCT01793168 | Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford | https://ClinicalTrials.gov/show/NCT01793168 | Recruiting | Sanford Health | 2100-12-31 |
| NCT01774955 | The GReek AntiPlatElet (GRAPE) Registry: A Multicenter Observational Prospective Investigation of Antiplatelet Treatment in Patients With Acute Coronary Syndrome Subjected to Percutaneous Coronary Intervention | https://ClinicalTrials.gov/show/NCT01774955 | Completed | University of Patras | 2014-12-31 |
| NCT01522183 | Atypical Hemolytic-Uremic Syndrome (aHUS) Registry | https://ClinicalTrials.gov/show/NCT01522183 | Recruiting | Alexion Pharmaceuticals | 2023-12-31 |
| NCT04422444 | Post Intensive Care Syndrome in COVID19 Patients | https://ClinicalTrials.gov/show/NCT04422444 | Recruiting | Corporacion Parc Tauli | 2021-05-01 |
| NCT04402086 | Rheumatology Patient Registry and Biorepository | https://ClinicalTrials.gov/show/NCT04402086 | Recruiting | Yale University | 2030-06-01 |
| NCT04398186 | The Effect of Polycystic Ovary Syndrome on Pelvic Floor Structure and Function | https://ClinicalTrials.gov/show/NCT04398186 | Recruiting | Giresun University | 2020-10-01 |
| NCT04395495 | RASopathy Biorepository | https://ClinicalTrials.gov/show/NCT04395495 | Recruiting | Children’s Hospital Medical Center, Cincinnati | 2065-12-31 |
| NCT04376177 | Clinical Routine in Thoracic Outlet Syndrome | https://ClinicalTrials.gov/show/NCT04376177 | Recruiting | University Hospital, Angers | 2025-12-31 |
| NCT04367246 | Li-Fraumeni Syndrome/TP53 Biobank | https://ClinicalTrials.gov/show/NCT04367246 | Recruiting | Abramson Cancer Center of the University of Pennsylvania | 2024-09-24 |
| NCT04323592 | Methylprednisolone for Patients With COVID-19 Severe Acute Respiratory Syndrome | https://ClinicalTrials.gov/show/NCT04323592 | Completed | University of Trieste | 2020-05-10 |
| NCT04310644 | Autonomic Small Fiber Neuropathy and Ehlers Danlos Syndromes - Prospective Study and Registry | https://ClinicalTrials.gov/show/NCT04310644 | Recruiting | RWTH Aachen University | 2024-09-15 |
| NCT04292041 | Fasting Mimicking Diet in Prostate Cancer and Metabolic Syndrome | https://ClinicalTrials.gov/show/NCT04292041 | Active, not recruiting | Galway Clinic | 2020-06-15 |
| NCT04313231 | Sterile Inflammation and Molecular Aberrations in MDS | https://ClinicalTrials.gov/show/NCT04313231 | Recruiting | Medical University Innsbruck | 2021-01-31 |
| NCT04255537 | Clinical Governance of Patients With Acute Coronary Syndrome in Italy | https://ClinicalTrials.gov/show/NCT04255537 | Recruiting | Foundation IRCCS San Matteo Hospital | 2020-05-31 |
| NCT04232787 | Southeast Asian Brugada Syndrome Cohort | https://ClinicalTrials.gov/show/NCT04232787 | Recruiting | Chulalongkorn University | 2021-01-31 |
| NCT04222608 | The BRAvAdO Registry | https://ClinicalTrials.gov/show/NCT04222608 | Recruiting | University of Sao Paulo General Hospital | 2021-09-01 |
| NCT04203979 | Sepsis: From Syndrome to Personalized Care | https://ClinicalTrials.gov/show/NCT04203979 | Recruiting | Oslo University Hospital | 2020-12-31 |
| NCT04189822 | Hearts in Rhythm Organization (HiRO)National Registry and Bio Bank | https://ClinicalTrials.gov/show/NCT04189822 | Enrolling by invitation | University of British Columbia | 2025-12-31 |
| NCT04141072 | Shrunken Pore Syndrome: a Retrospective, Single Center, Cohort Study | https://ClinicalTrials.gov/show/NCT04141072 | Completed | Region Skane | 2015-12-30 |
| NCT04134572 | Registry of Ollier Disease and Maffucci Syndrome | https://ClinicalTrials.gov/show/NCT04134572 | Enrolling by invitation | Istituto Ortopedico Rizzoli | 2022-07-31 |
| NCT04133272 | Registry of Ehlers-Danlos Syndrome | https://ClinicalTrials.gov/show/NCT04133272 | Enrolling by invitation | Istituto Ortopedico Rizzoli | 2022-06-30 |
| NCT04124237 | Long Term Monitoring for Risk of Sudden Death | https://ClinicalTrials.gov/show/NCT04124237 | Recruiting | University of British Columbia | 2020-01-30 |
| NCT04115137 | Pelvic Varicose Veins Treated With Vascular Plugs Type Amplatzer: REPiVAC | https://ClinicalTrials.gov/show/NCT04115137 | Recruiting | Group of Research in Minimally Invasive Techniques | 2019-11-01 |
| NCT04100915 | A Non-Interventional Pilot Study to Explore the Role of Gut Flora in ME/CFS | https://ClinicalTrials.gov/show/NCT04100915 | Recruiting | ProgenaBiome | 2023-03-31 |
| NCT04087200 | Protective Effect of Early High Dose stATins On Cardiovascular and Renal Events in Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT04087200 | Recruiting | Centro Cardiopatici Toscani | 2025-12-01 |
| NCT04068038 | Pediatric Acute Respiratory Distress Syndrome Asia Study | https://ClinicalTrials.gov/show/NCT04068038 | Recruiting | KK Women’s and Children’s Hospital | 2022-08-01 |
| NCT03994575 | North American Acute Coronary Syndrome (ACS) Reflective III Pilot | https://ClinicalTrials.gov/show/NCT03994575 | Enrolling by invitation | Canadian Heart Research Centre | 2020-11-30 |
| NCT03994302 | Monitoring the Antiphospholipid Syndrome:TOXicity of Drugs (APSTOX) | https://ClinicalTrials.gov/show/NCT03994302 | Recruiting | Groupe Hospitalier Pitie-Salpetriere | 2021-06-30 |
| NCT03961217 | Return to Work Among Cancer Survivors With Treatment-induced Survivorship Syndromes | https://ClinicalTrials.gov/show/NCT03961217 | Completed | Sahlgrenska University Hospital, Sweden | 2006-10-31 |
| NCT03920202 | Long - Term Low Anterior Resection Syndrome | https://ClinicalTrials.gov/show/NCT03920202 | Completed | National Cancer Institute, Lithuania | 2014-01-01 |
| NCT03912870 | Value of Flow Cytometry in Infectious Point of Care: Feasibility Study | https://ClinicalTrials.gov/show/NCT03912870 | Recruiting | Assistance Publique Hopitaux De Marseille | 2019-07-30 |
| NCT03841214 | Study on Prediction of Left Ventricular Remodeling Using ST2 | https://ClinicalTrials.gov/show/NCT03841214 | Recruiting | Keimyung University Dongsan Medical Center | 2020-12-31 |
| NCT03786263 | CHILDNEPH The Canadian Childhood Nephrotic Syndrome Study | https://ClinicalTrials.gov/show/NCT03786263 | Recruiting | University of Calgary | 2020-06-30 |
| NCT03718598 | Carpal Tunnel Syndrome in Pregnant Women | https://ClinicalTrials.gov/show/NCT03718598 | Completed | Bezmialem Vakif University | 2016-01-01 |
| NCT03718416 | Natural History Study of Serious Medical Events in PWS | https://ClinicalTrials.gov/show/NCT03718416 | Active, not recruiting | Foundation for Prader-Willi Research | 2022-10-31 |
| NCT03663348 | Registry of Patients With Takotsubo Syndrome | https://ClinicalTrials.gov/show/NCT03663348 | Recruiting | NYU Langone Health | 2028-09-01 |
| NCT03650569 | Angelman Syndrome Italian Registry | https://ClinicalTrials.gov/show/NCT03650569 | Recruiting | Fondazione per la Ricerca Ospedale Maggiore | 2021-02-16 |
| NCT03652987 | Endocrine and Menstrual Disturbances in Women With Polycystic Ovary Syndrome (PCOS) | https://ClinicalTrials.gov/show/NCT03652987 | Recruiting | St George’s, University of London | 2019-11-30 |
| NCT03619395 | Risc Optimisation- Acute cor5onary Syndrome | https://ClinicalTrials.gov/show/NCT03619395 | Recruiting | Parc de Salut Mar | 2020-07-01 |
| NCT03568669 | Neurocognition in Congenital Central Hypoventilation Syndrome (CCHS) | https://ClinicalTrials.gov/show/NCT03568669 | Recruiting | Ann & Robert H Lurie Children’s Hospital of Chicago | 2030-12-31 |
| NCT03513809 | Inflammation and Distribution of Pulmonary Ventilation Before and After Tracheal Intubation in ARDS Patients | https://ClinicalTrials.gov/show/NCT03513809 | Recruiting | Pontificia Universidad Catolica de Chile | 2021-06-08 |
| NCT03479723 | Identification of Predictors for Coronary Plaque Erosion in Patients With Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT03479723 | Recruiting | Massachusetts General Hospital | 2020-12-31 |
| NCT03470467 | Posterior Reversible Encephalopathy Syndrome in the Critically Ill Patients | https://ClinicalTrials.gov/show/NCT03470467 | Recruiting | Ictal Group | 2028-12-31 |
| NCT03414957 | Malay Women With PCOS and Their Association With Metabolic Syndrome | https://ClinicalTrials.gov/show/NCT03414957 | Completed | Cyberjaya University College of Medical Sciences | 2016-11-30 |
| NCT04340310 | Home Respiratory Polygraphy in Childhood Sleep Apnea-Hypopnea Syndrome (CHILDSLEEP). | https://ClinicalTrials.gov/show/NCT04340310 | Recruiting | Hospital Universitario San Juan de Alicante | 2021-12-20 |
| NCT04053933 | Observational Study Towards the Impact of Newly Started Treatment in MDS on QoL | https://ClinicalTrials.gov/show/NCT04053933 | Recruiting | University Hospital, Antwerp | 2021-09-01 |
| NCT03232359 | Immature Platelet Fraction as a Promising Biomarker in Prediction Outcome of HELLP Syndrome | https://ClinicalTrials.gov/show/NCT03232359 | Completed | Ain Shams Maternity Hospital | 2015-12-01 |
| NCT03880513 | Cardiovascular Status in Patients With Endogenous Cortisol Excess (Cushing’s Syndrome) | https://ClinicalTrials.gov/show/NCT03880513 | Recruiting | Wuerzburg University Hospital | 2021-10-31 |
| NCT03198195 | Post-transplant Cyclophosphamide in Wiskott-Aldrich Syndrome | https://ClinicalTrials.gov/show/NCT03198195 | Enrolling by invitation | Capital Research Institute of Pediatrics | 2017-03-10 |
| NCT03264846 | Endocan Levels at Polycystic Ovary Syndrome and Periodontal Inflammation | https://ClinicalTrials.gov/show/NCT03264846 | Completed | Bezmialem Vakif University | 2017-11-29 |
| NCT03040583 | The ASSESS National Multi-center Prospective Cohort | https://ClinicalTrials.gov/show/NCT03040583 | Recruiting | Assistance Publique - Hôpitaux de Paris | 2030-09-30 |
| NCT03001934 | Super Chinese Nephrotic Syndrome Registration System (SUCCESS) | https://ClinicalTrials.gov/show/NCT03001934 | Recruiting | Sun Yat-sen University | 2019-12-31 |
| NCT02399527 | Lymphatic Anomalies Registry for the Assessment of Outcome Data | https://ClinicalTrials.gov/show/NCT02399527 | Recruiting | Boston Children’s Hospital | 2025-06-30 |
| NCT02435940 | Inherited Retinal Degenerative Disease Registry | https://ClinicalTrials.gov/show/NCT02435940 | Recruiting | Foundation Fighting Blindness | 2037-06-30 |
| NCT02425189 | The Canadian National Long QT Syndrome Registry | https://ClinicalTrials.gov/show/NCT02425189 | Recruiting | University of British Columbia | 2025-12-31 |
| NCT01799148 | Air Pollution, Inflammation and Acute Coronary Syndrome | https://ClinicalTrials.gov/show/NCT01799148 | Completed | Fundación Canaria Rafael Clavijo para la Investigación Biomédica | 2014-07-31 |
| NCT00481130 | Alport Syndrome Treatments and Outcomes Registry | https://ClinicalTrials.gov/show/NCT00481130 | Recruiting | University of Minnesota | 2030-01-31 |